# from django.http import HttpResponse
#
#
# def index(request):
#     return HttpResponse('</b>hello,python first<b>')
#
#
# def detail(request, pk):  # primary key
#     return HttpResponse('这是学生id为%s的详情页' % pk)
#
#
# def students(request, year, month):
#     return HttpResponse('%s年%s月报名的学生列表' % (year, month))
